Key Points

Oklo targets criticality for its initial test reactor.
Criticality may occur as soon as July 4.

Oklo investors have faced challenges. Since the start of 2026 the nuclear stock price has dropped about 14 percent. From peaks reached last October shares have declined 61 percent overall.

Multiple factors explain the decline. Limited major updates play a role. Although Oklo secured a significant deal with Meta Platforms in January for a 1.2-gigawatt small modular reactor system construction progress on pipeline projects has been quiet. This absence of tangible developments has pressured the shares.

Yet the company and its stock may gain momentum in July from a favorable announcement.

Image source: Getty Images.

Anticipate this favorable update from Oklo in July

In March Oklo revealed that its Groves Isotopes Test Reactor acquired earlier via the Atomic Alchemy deal secured key regulatory clearances. These approvals support reaching criticality by the July 4 target.

Criticality refers to a stable state in a nuclear reactor. The U.S. Department of Energy describes it as the point where each fissioning uranium atom releases sufficient neutrons to split one more atom sustaining a chain reaction that enables continuous electricity generation in power plants.

Although the Texas site emphasizes medical and industrial radioisotopes rather than power production achieving criticality on the first reactor should deliver a welcome positive signal for Oklo. The CEO noted that the facility will supply essential data refine operations and inform future licensing and deployments. Groves demonstrates an accelerated approach to nuclear project rollout he added.

The July 4 deadline stems from U.S. government planning rather than Oklo alone. Reports indicate the Department of Energy seeks simultaneous criticality for several test reactors nationwide to mark the country's 250th anniversary. The Groves unit advanced rapidly under the Trump administration Energy Reactor Pilot Program which accelerates approvals for commercial licensing. It ranked among three reactors selected across the country.

William Blair analyst Jed Dorsheimer remains positive on Oklo shares citing supportive regulatory conditions. He highlighted the company's leadership in advanced reactors and steady advances amid a favorable nuclear policy climate while reaffirming an outperform rating.

Commercial viability at scale for Oklo SMR systems remains years away. Still the Atomic Alchemy unit appears positioned for early revenue generation.

Is Oklo stock a buy at present?

Prior to purchasing Oklo shares review this perspective.

The Motley Fool Stock Advisor team recently selected the 10 top stocks for investors to consider now and Oklo did not feature. The chosen 10 stocks hold potential for substantial gains ahead.

Netflix appeared on a prior list in December 2004 and a 1000 dollar investment then would equal 462983 dollars today. Nvidia joined in April 2005 and the same initial sum would now equal 1375447 dollars.

Stock Advisor overall returns average 995 percent surpassing the S and P 500 return of 212 percent. Access the newest top 10 list via Stock Advisor and join a community of individual investors.

Stock Advisor performance figures as of June 2 2026. Ryan Vanzo holds no positions in mentioned stocks. The Motley Fool maintains a position in and recommends Meta Platforms. A disclosure policy applies.

Views expressed are those of the author and may not reflect positions of Nasdaq Inc.